mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-27 01:04:03 +00:00
42 lines
963 B
Rust
42 lines
963 B
Rust
// run-pass
|
|
#![allow(non_upper_case_globals)]
|
|
|
|
enum A { A1, A2 }
|
|
enum B { B1=4, B2=2 }
|
|
|
|
#[allow(dead_code)]
|
|
#[repr(align(8))]
|
|
enum Aligned {
|
|
Zero = 0,
|
|
One = 1,
|
|
}
|
|
|
|
// regression test for https://github.com/rust-lang/rust/issues/96185
|
|
const X: u8 = {
|
|
let aligned = Aligned::Zero;
|
|
aligned as u8
|
|
};
|
|
|
|
pub fn main () {
|
|
static c1: isize = A::A2 as isize;
|
|
static c2: isize = B::B2 as isize;
|
|
let a1 = A::A2 as isize;
|
|
let a2 = B::B2 as isize;
|
|
assert_eq!(c1, 1);
|
|
assert_eq!(c2, 2);
|
|
assert_eq!(a1, 1);
|
|
assert_eq!(a2, 2);
|
|
|
|
// Turns out that adding a let-binding generates totally different MIR.
|
|
static c1_2: isize = { let v = A::A1; v as isize };
|
|
static c2_2: isize = { let v = B::B1; v as isize };
|
|
let a1_2 = { let v = A::A1; v as isize };
|
|
let a2_2 = { let v = B::B1; v as isize };
|
|
assert_eq!(c1_2, 0);
|
|
assert_eq!(c2_2, 4);
|
|
assert_eq!(a1_2, 0);
|
|
assert_eq!(a2_2, 4);
|
|
|
|
assert_eq!(X, 0);
|
|
}
|